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2. K'Nex - Wikipedia

   en.wikipedia.org/wiki/K'Nex

   The toy's building system consists of interlocking plastic rods, connectors, blocks, gears, wheels, and other components, which can be assembled to form a wide variety of models, machines, and architectural structures. While K'Nex is designed for children ages 5–12, a larger version, Kid K'Nex, is aimed towards children 5 and younger.

3. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   PMMA transmits up to 92% of visible light (3 mm (0.12 in) thickness), [18] and gives a reflection of about 4% from each of its surfaces due to its refractive index (1.4905 at 589.3 nm). [3] It filters ultraviolet (UV) light at wavelengths below about 300 nm (similar to ordinary window glass).

4. Thermoplastic - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic

   A thermoplastic, or thermosoftening plastic, is any plastic polymer material that becomes pliable or moldable at a certain elevated temperature and solidifies upon cooling. [1][2] Most thermoplastics have a high molecular weight. The polymer chains associate by intermolecular forces, which weaken rapidly with increased temperature, yielding a ...

5. Capsela - Wikipedia

   en.wikipedia.org/wiki/Capsela

   Capsela is a construction toy brand consisting primarily of gears and motors in spherical plastic capsules that can be connected to form various static or dynamic toys suitable for land or water. [1] The capsules typically have six hollow octagonal connectors protruding, where an octagonal sleeve piece bridges between two capsules.

6. Building blocks (toy) - Wikipedia

   en.wikipedia.org/wiki/Building_blocks_(toy)

   Building blocks (toy) The Lego system is the most widely used clamp building block system in the world. Building blocks (also construction blocks) are modular construction parts, usually made of plastic, which can be assembled in a form-fit manner. The basic components are usually cuboid-shaped, cylindrically studded at the top in a grid ...

7. High-performance plastics - Wikipedia

   en.wikipedia.org/wiki/High-performance_plastics

   High performance plastics meet higher requirements than standard and engineering plastics because of their more desirable mechanical properties, higher chemical and/or a higher heat stability. Especially the latter makes processing difficult, often requiring specialized machinery. Most high-performance plastics are exploited for a single ...

8. Plastic - Wikipedia

   en.wikipedia.org/wiki/Plastic

   Plastic recycling is low in the waste hierarchy, meaning that reduction and reuse are more favourable and long-term solutions for sustainability. It has been advocated since the early 1970s, [115] but due to economic and technical challenges, did not impact the management of plastic waste to any significant extent until the late 1980s. The ...

9. Spacers and standoffs - Wikipedia

   en.wikipedia.org/wiki/Spacers_and_standoffs

   In general, a spacer is a solid material used to separate two parts in an assembly. Spacers can vary in size from microns to centimeters. They can be made of metal, plastic, glass, and other materials. Shapes include flat sheet, cylindrical and spherical. Two sizes of metal standoffs and one plastic standoff.